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7 Σεπ 2024 · Flexion refers to a movement that decreases the angle between two body parts. Flexion at the elbow is decreasing the angle between the ulna and the humerus. When the knee flexes, the ankle moves closer to the buttock, and the angle between the femur and tibia gets smaller.
For the vertebral column, flexion (anterior flexion) is an anterior (forward) bending of the neck or body, while extension involves a posterior-directed motion, such as straightening from a flexed position or bending backward.
20 Ιαν 2007 · One-point perspective worksheets. Below are worksheets I created in Adobe Illustrator for teaching one-point perspective. Walk your students through the first two (boxes and room.) Show them the techniques used since the Renaissance to create a realistic illusion of space and form.
20 Ιουλ 2023 · Direction: During protrusion, the mandible moves directly anteriorly (think underbite). During retrusion, it moves directly posteriorly (think overbite). These movements are sometimes interchanged with protraction and retraction. However, the latter pair have an additional movement added to them.
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In the limbs, flexion decreases the angle between the bones (bending of the joint), while extension increases the angle and straightens the joint. For the upper limb, all anterior-going motions are flexion and all posterior-going motions are extension.
For the vertebral column, flexion (anterior flexion) is an anterior (forward) bending of the neck or body, while extension involves a posterior-directed motion, such as straightening from a flexed position or bending backward.
